:root{
  --bg:#0a0d0b; --bg2:#0f1411; --panel:#131a15; --line:#223026; --line2:#2d3f32;
  --text:#eef3ef; --muted:#9aa89e; --dim:#6c7a70;
  --green:#3dff2a; --green2:#1fcc12; --greenDeep:#0d3b0a; --amber:#f2b84b;
  --radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font:16px/1.6 Inter,system-ui,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
h1,h2,h3{font-family:Saira,Inter,sans-serif;line-height:1.08;letter-spacing:-.01em}
h2{font-size:clamp(30px,4.2vw,46px);font-weight:800}
h3{font-size:20px;font-weight:700}
.eyebrow{font:500 12px/1 "JetBrains Mono",monospace;letter-spacing:.14em;text-transform:uppercase;color:var(--green);margin-bottom:16px;display:block}
.lede{color:var(--muted);font-size:18px;max-width:640px}
section{padding:110px 0}
.mono{font-family:"JetBrains Mono",monospace}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;font:700 15px/1 Saira,sans-serif;letter-spacing:.04em;text-transform:uppercase;padding:16px 26px;border-radius:10px;border:1px solid var(--line2);transition:.2s}
.btn-primary{background:var(--green);color:#041203;border-color:var(--green);box-shadow:0 0 0 0 rgba(61,255,42,.0)}
.btn-primary:hover{box-shadow:0 0 28px rgba(61,255,42,.45);transform:translateY(-1px)}
.btn-ghost:hover{border-color:var(--green);color:var(--green)}

/* nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(10,13,11,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:70px;gap:24px}
.nav-logo img{height:38px;width:auto}
.nav-links{display:flex;gap:28px;font-size:14px;color:var(--muted)}
.nav-links a:hover{color:var(--text)}
.nav .btn{padding:11px 18px;font-size:13px}
@media(max-width:900px){.nav-links{display:none}}
.nav-right{display:flex;align-items:center;gap:20px}
.login-link{display:inline-flex;align-items:center;gap:7px;font:600 14px Inter,sans-serif;color:var(--text);padding:8px 4px;transition:.2s}
.login-link:hover{color:var(--green)}
.foot-left{display:flex;flex-direction:column;gap:10px}
footer .login-link{padding:0;color:var(--green)}


/* hero */
.hero{position:relative;padding:90px 0 110px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:-20% -10% auto auto;width:780px;height:780px;background:radial-gradient(closest-side,rgba(61,255,42,.16),transparent 70%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:60px;align-items:center}
.hero h1{font-size:clamp(42px,6.2vw,76px);font-weight:900;font-style:italic;text-transform:uppercase;letter-spacing:-.02em}
.hero h1 em{color:var(--green);font-style:italic;display:block}
.hero p.lede{margin:26px 0 36px}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap}
.hero-meta{margin-top:34px;display:flex;gap:26px;flex-wrap:wrap;color:var(--dim);font:500 12px/1.4 "JetBrains Mono",monospace;letter-spacing:.08em;text-transform:uppercase}
.hero-meta span::before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--green);margin-right:8px;vertical-align:1px}
@media(max-width:960px){.hero-grid{grid-template-columns:1fr}}

/* app mock */
.app{background:var(--panel);border:1px solid var(--line2);border-radius:16px;box-shadow:0 40px 90px rgba(0,0,0,.55),0 0 0 1px rgba(61,255,42,.06);overflow:hidden}
.app-bar{display:flex;align-items:center;gap:8px;padding:12px 16px;border-bottom:1px solid var(--line);background:#0f1511}
.app-bar i{width:10px;height:10px;border-radius:50%;background:#2b372e}
.app-bar b{margin-left:10px;font:500 12px "JetBrains Mono",monospace;color:var(--dim)}
.app-tabs{display:flex;gap:4px;padding:12px 16px 0;font-size:13px;color:var(--dim)}
.app-tabs span{padding:8px 12px;border-radius:8px 8px 0 0}
.app-tabs .on{background:var(--bg2);color:var(--text);border:1px solid var(--line);border-bottom:none}
.app-body{background:var(--bg2);margin:0 16px 16px;border:1px solid var(--line);border-radius:0 10px 10px 10px;padding:20px}
.veh{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:16px}
.veh small{display:block;color:var(--dim);font-size:12px}
.veh strong{font:700 18px Saira,sans-serif}
.pill{font:500 11px "JetBrains Mono",monospace;padding:5px 9px;border-radius:999px;background:rgba(61,255,42,.12);color:var(--green);white-space:nowrap}
.kv{display:grid;grid-template-columns:110px 1fr;gap:8px 12px;font-size:13.5px;padding:14px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.kv dt{color:var(--dim)}
.kv dd{font-family:"JetBrains Mono",monospace;font-size:12.5px}
.gauges{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:16px}
.gauge{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:12px}
.gauge small{color:var(--dim);font-size:11px;display:block}
.gauge b{font:700 22px Saira,sans-serif}
.gauge b u{text-decoration:none;color:var(--dim);font-size:12px;font-weight:500;margin-left:3px}
.spark{height:56px;margin-top:14px;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:8px 10px}
.check{display:flex;gap:8px;align-items:center;font-size:13px;color:var(--green);margin-top:14px}

/* strip */
.strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg2)}
.strip .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:18px 30px;padding-top:26px;padding-bottom:26px;font:500 13px "JetBrains Mono",monospace;letter-spacing:.06em;color:var(--muted);text-transform:uppercase}
.strip b{color:var(--text);font-weight:500}
.strip .sep{color:var(--line2)}
@media(max-width:700px){.strip .sep{display:none}.nav .btn{display:none}}

/* pillars */
.head{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;margin-bottom:56px;flex-wrap:wrap}
.pillars{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:.25s}
.card:hover{border-color:var(--line2);transform:translateY(-2px)}
.card .num{font:500 12px "JetBrains Mono",monospace;color:var(--green);margin-bottom:36px;display:block}
.card h3{margin-bottom:10px}
.card p{color:var(--muted);font-size:15px}
.card ul{list-style:none;margin-top:18px;border-top:1px solid var(--line);padding-top:14px}
.card li{font-size:14px;color:var(--muted);padding:5px 0 5px 20px;position:relative}
.card li::before{content:"";position:absolute;left:0;top:13px;width:9px;height:2px;background:var(--green)}
@media(max-width:1000px){.pillars{grid-template-columns:repeat(2,1fr)}}
@media(max-width:580px){.pillars{grid-template-columns:1fr}}

/* diagnostics */
.diag{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.diag-top{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:60px}
.diag-top .card{padding:26px}
.diag-top .tag{font:500 11px "JetBrains Mono",monospace;color:var(--dim);letter-spacing:.1em;text-transform:uppercase;display:block;margin-bottom:12px}
@media(max-width:900px){.diag-top{grid-template-columns:1fr}}
.tests-head{display:flex;align-items:baseline;justify-content:space-between;gap:20px;margin-bottom:24px;flex-wrap:wrap}
.tests-head h3{font-size:28px;font-weight:800}
.tests-head p{color:var(--muted);font-size:14px;max-width:460px}
.tests{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.test{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column}
.test .art{height:210px;display:flex;align-items:center;justify-content:center;padding:22px;background:
  linear-gradient(var(--line) 1px,transparent 1px) 0 0/22px 22px,
  linear-gradient(90deg,var(--line) 1px,transparent 1px) 0 0/22px 22px, #0e1410;
  border-bottom:1px solid var(--line);color:var(--green)}
.test .art img{height:100%;width:100%;object-fit:contain;filter:drop-shadow(0 0 6px rgba(61,255,42,.25))}
.test .txt{padding:20px 22px 24px}
.test h4{font:700 17px Saira,sans-serif;margin-bottom:6px}
.test p{color:var(--muted);font-size:14px}
.test .req{display:inline-block;margin-top:12px;font:500 11px "JetBrains Mono",monospace;color:var(--amber);letter-spacing:.04em}
@media(max-width:960px){.tests{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.tests{grid-template-columns:1fr}}
.test.wide{grid-column:1/-1;flex-direction:row}
.test.wide .art{flex:0 0 38%;height:auto;min-height:230px;border-bottom:none;border-right:1px solid var(--line)}
.test.wide .txt{display:flex;flex-direction:column;justify-content:center;padding:30px 34px}
.test.wide h4{font-size:22px}
.test.wide p{font-size:15px;max-width:520px}
@media(max-width:700px){.test.wide{flex-direction:column}.test.wide .art{flex:none;height:210px;border-right:none;border-bottom:1px solid var(--line)}}

/* safety */
.safety-grid{display:grid;grid-template-columns:1fr 1.3fr;gap:70px;align-items:start}
.safety-list{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.safety-list div{background:var(--bg);padding:26px}
.safety-list h4{font:700 16px Saira,sans-serif;margin:14px 0 6px}
.safety-list p{color:var(--muted);font-size:14px}
.ico{width:34px;height:34px;border-radius:9px;background:rgba(61,255,42,.1);display:grid;place-items:center;color:var(--green)}
@media(max-width:960px){.safety-grid{grid-template-columns:1fr;gap:40px}}
@media(max-width:560px){.safety-list{grid-template-columns:1fr}}

/* steps */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:0;counter-reset:s;border-top:1px solid var(--line2)}
.step{padding:28px 22px 0 0;position:relative}
.step::before{counter-increment:s;content:counter(s,decimal-leading-zero);font:800 italic 42px Saira,sans-serif;color:var(--green);display:block;margin-bottom:10px}
.step::after{content:"";position:absolute;top:-5px;left:0;width:9px;height:9px;border-radius:50%;background:var(--green);box-shadow:0 0 12px var(--green)}
.step h4{font:700 17px Saira,sans-serif;margin-bottom:6px}
.step p{color:var(--muted);font-size:14px}
@media(max-width:960px){.steps{grid-template-columns:1fr 1fr;gap:20px}}
@media(max-width:560px){.steps{grid-template-columns:1fr}}

/* requirements + pricing */
.two{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media(max-width:900px){.two{grid-template-columns:1fr}}
.box{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:34px}
.box h3{font-size:24px;margin-bottom:6px}
.box > p{color:var(--muted);font-size:15px;margin-bottom:22px}
.req-row{display:grid;grid-template-columns:130px 1fr;gap:16px;padding:14px 0;border-top:1px solid var(--line);font-size:15px}
.req-row dt{color:var(--dim);font:500 12px/1.9 "JetBrains Mono",monospace;text-transform:uppercase;letter-spacing:.08em}
.req-row dd span{color:var(--muted);font-size:13.5px;display:block}
.price{border-color:rgba(61,255,42,.35);background:linear-gradient(180deg,rgba(61,255,42,.07),transparent 60%),var(--panel)}
.price-item{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:16px 0;border-top:1px solid var(--line)}
.price-item b{font:700 16px Saira,sans-serif;display:block}
.price-item small{color:var(--muted);font-size:13.5px}
.price-item .amt{font:800 24px Saira,sans-serif;color:var(--green);white-space:nowrap}
.price .btn{margin-top:24px;width:100%;justify-content:center}
.note{font-size:13px;color:var(--dim);margin-top:14px}

/* faq */
.faq{max-width:860px}
.faq details{border-top:1px solid var(--line)}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:22px 40px 22px 0;font:700 18px Saira,sans-serif;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:16px;font:400 28px Inter;color:var(--green);transition:.2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{color:var(--muted);padding:0 0 22px;max-width:720px}

/* cta */
.cta{text-align:center;padding:120px 0;position:relative;overflow:hidden;border-top:1px solid var(--line)}
.cta::before{content:"";position:absolute;left:50%;top:50%;width:900px;height:500px;transform:translate(-50%,-50%);background:radial-gradient(closest-side,rgba(61,255,42,.14),transparent)}
.cta > *{position:relative}
.cta img{width:min(560px,90%);margin:0 auto 34px}
.cta p{color:var(--muted);font-size:18px;margin:0 auto 34px;max-width:560px}
.cta .hero-ctas{justify-content:center}

footer{border-top:1px solid var(--line);padding:40px 0;color:var(--dim);font-size:13px}
footer .wrap{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}
footer p{max-width:640px}

/* ---- multi-page additions ---- */
.nav-links a.active{color:var(--green)}
.menu-btn{display:none;background:none;border:1px solid var(--line2);border-radius:8px;color:var(--text);width:40px;height:40px;align-items:center;justify-content:center;cursor:pointer}
@media(max-width:900px){
  .menu-btn{display:inline-flex}
  .nav-links.open{display:flex;flex-direction:column;gap:0;position:absolute;top:70px;left:0;right:0;background:var(--bg);box-shadow:0 20px 40px rgba(0,0,0,.6);border-bottom:1px solid var(--line);padding:8px 24px 16px}
  .nav-links.open a{padding:12px 0;border-bottom:1px solid var(--line);font-size:16px}
}
.page-top{padding-top:80px}
.page-top h1{font-size:clamp(34px,5vw,58px);font-weight:800}
.explore{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.explore a.card{display:block}
.explore a.card .more{display:inline-block;margin-top:18px;font:600 14px Inter,sans-serif;color:var(--green)}
@media(max-width:900px){.explore{grid-template-columns:1fr}}
.nf{text-align:center;padding:140px 0}
.nf h1{font-size:clamp(60px,12vw,140px);font-weight:900;font-style:italic;color:var(--green)}
.nf p{color:var(--muted);font-size:18px;margin:10px auto 34px;max-width:480px}